Senior Network Security Specialist

Placements24; East London; On-site; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Competitive salary

Medical & retirement benefits

Professional development & certs

Job summary

Placements24 is seeking a Senior Network Security Specialist for our client, a leading telecommunications provider, to safeguard East London’s network infrastructure. The role focuses on implementing and monitoring security measures, incident response, and policy enforcement.

You will handle vulnerability assessments, threat detection, and collaboration with IT teams to ensure secure network designs. A CISSP/CCNP Security or similar certification is desirable, with opportunities for professional

Qualifications

• Bachelor's degree in Cybersecurity or related field.
• 5+ years of experience in network security with firewalls, IDS/IPS and VPNs.
• Strong knowledge of TCP/IP, routing, and network architectures.
• Experience with SIEM tools (Splunk, QRadar) and vulnerability scanners.

Responsibilities

• Design, implement, and maintain network security solutions (firewalls, IDS/IPS, VPNs, NAC).
• Monitor network traffic for threats using SIEM and security tools.
• Investigate incidents with forensic analysis and remediation actions.
• Develop and enforce network security policies and standards.
• Conduct vulnerability assessments and penetration testing.
• Manage security patching and configuration of devices.
• Collaborate with IT teams to embed security in designs and operations.
• Stay informed on cyber threats and mitigation techniques.
• Provide security awareness training to staff and users.
• Ensure compliance with security regulations and standards.

Skills

Network security

Firewalls

IDS/IPS

VPNs

NAC

SIEM

Threat analysis

Incident response

Vulnerability assessment

Penetration testing

Security policies

Cloud security

ISO 27001

NIST

Forensic analysis

Education

Bachelor's degree

Tools

Splunk

QRadar

Vulnerability scanners

Endpoint security

Job description

About the Role

Our client, a leading telecommunications provider, is seeking a highly skilled Senior Network Security Specialist to join their team in East London, Eastern Cape. This critical role involves protecting the company's network infrastructure and sensitive data from cyber threats. You will be responsible for implementing, managing, and monitoring network security measures, responding to security incidents, and ensuring compliance with industry standards. The ideal candidate possesses deep expertise in network security technologies, threat analysis, and incident response. This is an excellent opportunity to contribute to the security posture of a major player in the telecommunications sector in East London.

Key Responsibilities

• Design, implement, and maintain network security solutions, including firewalls, IDS/IPS, VPNs, and NAC systems.
• Monitor network traffic for security threats and anomalies using SIEM and other security tools.
• Respond to and investigate security incidents, conducting forensic analysis and implementing remediation actions.
• Develop and enforce network security policies, procedures, and standards.
• Conduct regular vulnerability assessments and penetration testing to identify weaknesses.
• Manage security patching and configuration updates for network security devices.
• Collaborate with IT teams to ensure security best practices are integrated into network designs and operations.
• Stay informed about the latest cybersecurity threats, vulnerabilities, and mitigation techniques.
• Provide security awareness training to IT staff and end-users.
• Ensure compliance with relevant security regulations and standards.

Requirements

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or a related field.
• 5+ years of experience in network security, focusing on firewalls, intrusion detection/prevention, and VPN technologies.
• In-depth knowledge of TCP/IP, routing protocols, and network architectures.
• Experience with SIEM tools (e.g., Splunk, QRadar), vulnerability scanners, and endpoint security solutions.
• Proficiency in analyzing security logs and identifying malicious activities.
• Strong understanding of security frameworks (e.g., ISO 27001, NIST).
• Experience with cloud security principles (AWS, Azure, GCP) is a plus.
• Excellent analytical, problem-solving, and critical thinking skills.
• Strong communication and interpersonal skills, with the ability to work effectively in a team.
• Relevant certifications such as CISSP, CCNA Security, CCNP Security, or GIAC are highly desirable.

Benefits

• Our client offers a competitive salary, comprehensive medical and retirement benefits, and opportunities for continuous professional development and certifications.
• This role is based in East London, Eastern Cape, offering a stable work environment and the chance to advance your career within a leading telecommunications company.
• We are committed to fostering a secure and innovative workplace.